Draw the logo of the token SigmoidIMD ($SIGMOID), which the identity.md swarm is launching.

One square PNG at artifacts/logo.png, at least 512 pixels wide. One bold mark that still reads at 32 pixels: no words, letters, numbers or ticker, no frame, no fine detail. Fill the whole square with its background. Wallets and token lists crop a logo to a circle, so keep the mark inside the central circle.

What the requester said about it: Build a Uniswap V4 hook called SigmoidIMD for fair token launches, plus a launchpad contract. The hook attaches to pools paired with IMD on Robinhood Chain and protects the first 100 blocks after pool creation (the opening window): (1) dynamic swap fee starting at 0.30% and rising with price impact (fee = 0.30% + 150 x price impact fraction), capped at 90%, with the surcharge above 0.30% captured by the hook and sent to an immutable treasury address; (2) a circuit breaker that reverts any swap that would move the price more than 25% from the last settled price inside the opening window; (3) wa…